After studying the DNA of more than 200 iguana specimens from museum collections worldwide, the team determined that Fiji iguanas, which belong to the genus Brachylophus, are most closely related to ...

The most widespread species within the genus is the North American desert iguana, which is adapted to life in the searing heat of the deserts of the American Southwest and northern Mexico.

This is an adult desert iguana (Dipsosaurus dorsalis) photographed near Palm Springs, CA, in the spring. These lizards are primarily herbivorous as adults, prefer very high body temperatures ...